20001+1731
- Unique Name: 20001+1731BU 1477CD
- RA: 20 00 03.30
- Dec: +17 30 59.4
- Discoverer: BU
- Discoverer Number: 1477
- Components: CD
- First year: 1878
- Last year: 2013
- Observations: 8
- First position angle: 205
- Last position angle: 208
- First separation: 29.0
- Last separation: 27.0
- Mag first component: 5.57
- Mag second component: 13.4
- Spectral type: M4IIIa
- Primary proper motion RA: 2
- Primary proper motion DEC: -12
- Secondary proper motion RA:
- Secondary proper motion DEC:
- Durchmusterung: +17 4183
- Notes: N